2201131217 has 2 divisors, whose sum is σ = 2201131218. Its totient is φ = 2201131216.

The previous prime is 2201131159. The next prime is 2201131237. The reversal of 2201131217 is 7121311022.

It is an a-pointer prime, because the next prime (2201131237) can be obtained adding 2201131217 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1313627536 + 887503681 = 36244^2 + 29791^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201131217 - 2¹² = 2201127121 is a prime.

It is a super-3 number, since 3×2201131217³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2201131237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100565608 + 1100565609.

It is an arithmetic number, because the mean of its divisors is an integer number (1100565609).

Almost surely, 2^2201131217 is an apocalyptic number.

It is an amenable number.

2201131217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201131217 is an equidigital number, since it uses as much as digits as its factorization.

2201131217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 2201131217 is about 46916.2148622414. The cubic root of 2201131217 is about 1300.8143254968.

Adding to 2201131217 its reverse (7121311022), we get a palindrome (9322442239).

The spelling of 2201131217 in words is "two billion, two hundred one million, one hundred thirty-one thousand, two hundred seventeen".